Embryo

by Catherine Weiner figures by Elayne Fivenson Every cell in our bodies is constantly on the edge of danger. Our DNA, the molecular blueprints that tell our cells how to function, brought us to life. But it is also just one error away from catastrophe.…

The Church lab at Harvard University recently announced plans to create a hybrid mammoth and elephant. Using a technology called CRISPR, researchers in the Church lab have learned how to insert mammoth DNA into the cells of modern elephants.…